Abstract

In order to undermine the idea of a luminiferous aether, it has been argued that a physical medium for the propagation of light would necessarily cause friction which would eventually cause the planetary orbits to collapse. It will now be demonstrated how a dense electron-positron sea actually contributes towards Kepler's laws of planetary motion as opposed to undermining them. The planets stay up in their orbits because of centrifugal force. It will be shown how this centrifugal force actually occurs in the shears lines of the electron-positron sea where friction might otherwise have been expected to occur.